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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2021/03/25 14:56:53 UTC
[GitHub] [dubbo-go] zouyx commented on issue #1072: 多注册中心配置优先级，主注册中心节点全部宕机后，其余注册中心节点会等待主注册中心的链接重试
zouyx commented on issue #1072:
URL: https://github.com/apache/dubbo-go/issues/1072#issuecomment-806898960
关于 nacos 的问题，是因为这里判断的是 Service 中的 valid
https://github.com/apache/dubbo-go/blob/274718b650e71ee55a832203e87088f9762d4ff7/registry/nacos/listener.go#L127
而对应的 Service 来自于 nacos server 返回的每一个 host
https://github.com/nacos-group/nacos-sdk-go/blob/a63411bd5ac0f794a52d055a1539289a70220404/clients/naming_client/subscribe_callback.go#L81
关键点来了，nacos server 在 host 中没有返回该字段。。。。 - -
```
{
"name": "DEFAULT_GROUP@@providers:com.ikurento.user.UserProvider:1.0.0:guangzhou-idc",
"groupName": "DEFAULT_GROUP",
"clusters": "",
"cacheMillis": 10000,
"hosts": [{
"instanceId": "127.0.0.1#20000#DEFAULT#DEFAULT_GROUP@@providers:com.ikurento.user.UserProvider:1.0.0:guangzhou-idc",
"ip": "127.0.0.1",
"port": 20000,
"weight": 1.0,
"healthy": true,
"enabled": true,
"ephemeral": true,
"clusterName": "DEFAULT",
"serviceName": "DEFAULT_GROUP@@providers:com.ikurento.user.UserProvider:1.0.0:guangzhou-idc",
"metadata": {
"registry.role": "3",
"cluster": "mock",
"path": "/com.ikurento.user.UserProvider",
"protocol": "dubbo",
"category": "providers",
"interface": "com.ikurento.user.UserProvider",
"version": "1.0.0",
"group": "guangzhou-idc"
},
"instanceHeartBeatInterval": 5000,
"ipDeleteTimeout": 30000,
"instanceHeartBeatTimeOut": 15000
}],
"lastRefTime": 1616683093784,
"checksum": "",
"allIPs": false,
"reachProtectionThreshold": false,
"valid": true
}
```
如果非要实例。。就是这个。。。http://console.nacos.io/nacos/v1/ns/instance/list?serviceName=DEFAULT_GROUP@@demo.go&clusters=&udpPort=55043&healthyOnly=false&clientIp=192.168.199.214&namespaceId=。。。
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